Best Time to Fly LAS to GEG: On-Time Stats by Hour & Airline
Harry Reid International → Spokane International
Data through July 2026 · Last updated October 18, 2026
855 flights were scheduled from Las Vegas (LAS) to Spokane (GEG) in the last 12 months, and 75.9% of those that flew arrived on time, 1.8 points below the US average of 77.6%.
Among 2 airlines, Southwest Airlines led with 76.5% on time and Allegiant Air was last with 71.2%.
Over 24 months, Wednesday was the most reliable day (89% on time) and June the worst month (66%).
The cancellation rate was 0.6% (US average 1.8%).
LAS to GEG on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 76.5% | 41 min | 0.5% | 750 |
| Allegiant Air | 71.2% | 65 min | 0.9% | 105 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAS to GEG
On-time arrival % by scheduled departure hour (local time), 1,707 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 83.3% | 0.0% | 67 |
| 7am–8am | 94.3% | 0.0% | 53 |
| 8am–9am | 93.5% | 0.0% | 123 |
| 9am–10am | 83.1% | 0.5% | 208 |
| 10am–11am | 84.0% | 0.0% | 75 |
| 11am–12pm | 87.6% | 0.0% | 209 |
| 12pm–1pm | 89.7% | 0.0% | 39 |
| 1pm–2pm | 89.5% | 0.0% | 76 |
| 2pm–3pm | Limited data | 26 | |
| 3pm–4pm | Limited data | 9 | |
| 4pm–5pm | Limited data | 19 | |
| 5pm–6pm | 67.7% | 1.5% | 66 |
| 6pm–7pm | 83.9% | 0.0% | 124 |
| 7pm–8pm | 80.2% | 0.0% | 91 |
| 8pm–9pm | 81.1% | 0.0% | 143 |
| 9pm–10pm | 68.2% | 0.0% | 176 |
| 10pm–11pm | 54.8% | 2.0% | 203 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAS to GEG
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 67.7% | -13.7 pts | 0.0% | 34 |
| Christmas & New Year (Dec 20 - Jan 3) | 77.0% | -4.3 pts | 0.0% | 74 |
| Summer peak (Jun 15 - Aug 15) | 72.5% | -8.8 pts | 0.7% | 282 |
| All other days | 81.3% | — | 0.3% | 1,317 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).